[CentOS] storage for mailserver

Thu Sep 17 12:35:45 UTC 2020
Michael Schumacher <michael.schumacher at pamas.de>

Hello Phil,

Wednesday, September 16, 2020, 7:40:24 PM, you wrote:

PP> You can achieve this with a hybrid RAID1 by mixing SSDs and HDDs, and
PP> marking the HDD members as --write-mostly, meaning most of the reads 
PP> will come from the faster SSDs retaining much of the speed advantage, 
PP> but you have the redundancy of both SSDs and HDDs in the array.

PP> Read performance is not far off native write performance of the SSD, and
PP> writes mostly cached / happen in the background so are not so noticeable
PP> on a mail server anyway.

very interesting. Do you or anybody else have experience with this
setup? Any test results to compare? I will do some testing if nobody
can come up with comparisons.

best regards
Michael Schumacher